The Swiss franc swooned almost 1 percent at the start of Asian trade Monday as thin liquidity caused by a Japan holiday led to a mini recurrence of the “flash crash” that roiled FX markets early last month.
The Swissie slid from 1.0004 per dollar around 7 a.m. in Tokyo to as weak as 1.0096, the lowest since November, within a matter of minutes before almost as...